When does it make sense to compile my own language to C code first?

If you are designing your own programming language, when do you think it makes sense to convert it to C or C++ code so that you can use existing compiler like gcc to convert to machine code?

How does Node.js handle child threads?

What logging SaaS should be used with Node.js?

Do you use console.group() and would you like to see an implementation in Node.js?